ArticleAnnals of emergency medicine2019
Expanding Health Information Exchange Improves Identification of Frequent Emergency Department Users.
Article in Annals of emergency medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- Improving health equity through health care systems research.Health services research · 2023Article
- External Validation and Updating of a Statistical Civilian-Based Suicide Risk Model in US Naval Primary Care.JAMA network open · 2023Article
- Evaluation of a Health Information Exchange for Linkage to Mental Health Care After an Emergency Department Visit.Psychiatric services (Washington, D.C.) · 2023Article
- Impact of a statewide Emergency Department Information Exchange on health care use and expenditures.Health services research · 2022Article
- Patient-Centered Data Home: A Path Towards National Interoperability.Frontiers in digital health · 2022Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
STUDY
objectiveFrequent emergency department (ED) users are of interest to policymakers and hospitals. The objective of this study is to examine the effect of health information exchange size on the identification of frequent ED users.
methodsWe retrospectively analyzed data from Healthix, a health information exchange in New York that previously included 10 hospitals and then grew to 31 hospitals. We divided patients into 3 cohorts: high-frequency ED users with 4 or more visits in any 30-day period, medium-frequency ED users with 4 or more visits in any year, and infrequent ED users with fewer than 4 visits in any year. For both the smaller (10-hospital) and larger (31-hospital) health information exchanges, we compared the identification rate of frequent ED users that was based on hospital-specific data with the corresponding rates that were based on health information exchange data.
resultsThe smaller health information exchange (n=1,696,279 unique ED patients) identified 11.4% more high-frequency users (33,467 versus 30,057) and 9.5% more medium-frequency users (109,497 versus 100,014) than the hospital-specific data. The larger health information exchange (n=3,684,999) identified 19.6% more high-frequency patients (52,727 versus 44,079) and 18.2% more medium-frequency patients (222,574 versus 192,541) than the hospital-specific data. Expanding from the smaller health information exchange to the larger one, we found an absolute increase of 8.2% and 8.7% identified high- and medium-frequency users, respectively.
conclusionIncreasing health information exchange size more accurately reflects how patients access EDs and ultimately improves not only the total number of identified frequent ED users but also their identification rate.
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Registered trials
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